package com.entfrm.base.api;

import java.util.LinkedHashMap;
import java.util.Map;

/**
 * 返回数据
 *
 * @author qyong90
 * @email qyong90@gmail.com
 * @date 2016年10月27日 下午9:59:27
 */
public class R extends LinkedHashMap<String, Object> {
    private static final long serialVersionUID = 1L;

    public R() {
        put("code", 0);
        put("msg", "success");
        put("data", null);
    }

    public static R error() {
        return error(500, "未知异常，请联系管理员");
    }

    public static R error(String msg) {
        return error(1, msg);
    }

    public static R error(int code, String msg) {
        R r = new R();
        r.put("code", code);
        r.put("msg", msg);
        return r;
    }

    public static R ok() {
        return new R();
    }

    public static R ok(Object data) {
        return ok(data, "success");
    }

    public static R ok(Object data, String msg) {
        R r = new R();
        r.put("data", data);
        r.put("msg", msg);
        return r;
    }

    public static R ok(Object data, long total) {
        R r = new R();
        r.put("data", data);
        r.put("total", total);
        return r;
    }

    public static R ok(Map<String, Object> map) {
        R r = new R();
        r.putAll(map);
        return r;
    }

    @Override
    public R put(String key, Object value) {
        super.put(key, value);
        return this;
    }
}
